Shanghai, China, April 7, 2021 – Honeywell (NYSE: HON) recently announced the launch of a thickness detection sensor designed to optimize the production of lithium ion batteries. The new sensor is mainly used to effectively measure the true thickness of the electrode plate during the coating and rolling process in the production of lithium ion batteries. Accurate thickness measurement is a key index to optimize battery performance.
For lithium ion battery manufacturers, the coating and rolling links of the battery production line have strict process requirements. It is particularly important to ensure that the upper and lower sides of the substrate are evenly coated for the production of electrode sheets. By accurately measuring the coating thickness, you can control the horizontal (CD) and vertical (MD) coating, as well as the subsequent rolling quality.
Honeywell has been supplying advanced sensors and controllers to global lithium-ion battery manufacturers for more than 20 years. Its advanced thickness measurement sensor technology has ultra-high resolution as low as 0.5mm, and can be put into use without applying for regulatory approval or adding radiation shielding.
Honeywell lithium-ion battery thickness measurement sensor adopts innovative displacement measurement technology, which can accurately measure the total thickness of electrode coating. The measurement accuracy is up to 1 μ m, enabling operators to identify and classify defect areas before the electrode piece enters the downstream process. Honeywell solutions also provide seamless integration of measurement platforms, advanced controllers, and web-based human machine interfaces (HMI).
"Honeywell's lithium-ion battery electrode thickness sensor has been proven to accurately measure the total thickness of electrode coating edge to edge, feedback accurate data to the control system, and thus help optimize the electrode coating thickness distribution," said Chen Yan, China's vice president and general manager of Honeywell Process Control Department: "The high-precision measurement of the sensor is crucial to improve the consistency of the production quality of the electrode piece, reduce waste products and improve the battery yield. This ability has reversed the unfavorable situation that electrode defects can only be detected when entering the downstream process, which often leads to high waste, unqualified products and low yield."